The Geotab HRN-CT06A1 is a custom Geotab adapter made specifically for Tesla vehicles. This adapter also requires the Geotab HRN-CM24Y1 and GO device firmware of XXX.19.XX or higher.
Length: 10 cm
Max length of connected cables: 2 meters / 6.5 feet
Harness Identification and Application Guide
Geotab Telematics Harness Cheat Sheet